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What cause down syndrome
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What cause down syndrome
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Oct 27, 2018
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What cause down syndrome
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Shadi Almosri
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It is caused by an additional genetic material from chromosome 21. Implying, that person would have three number 21 chromosomes. (In most cases)
Swannee
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Oct 28, 2018
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Missing Chromosomes! xD
Weird Question!
MZywitza
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Oct 31, 2018
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